Optimum Density Based Model for Probabilistic Flooding Protocol in Mobile Ad Hoc Network
2010; RELX Group (Netherlands); Linguagem: Inglês
ISSN
1556-5068
AutoresKarthikeyan Natesapillai, V. Palanisamy, K. Duraiswamy,
Tópico(s)Vehicular Ad Hoc Networks (VANETs)
ResumoMobile Ad hoc NETworks (MANETs) are wireless networks which are characterized by dynamic topologies and no fixed infrastructure. Each node in a MANET is a computer that may be required to act as both a host and a router and, as such, may be required to forward packets between nodes which cannot directly communicate with one another. Network wide broadcasting, simply referred to as 'broadcasting' is the process in which one node sends a packet to all other nodes in the MANET. Broadcasting used by MANET unicast or multicast routing protocols to disseminate control information for establishing the routes. For designing broadcast protocols for ad hoc networks, one of the primary goal is to reduce the overhead (redundancy, contention and collision) while reaching all the nodes in network. There are many approaches in network wide broadcasting namely flooding, probability based, area based and cluster based broadcasting methods. In this study, a novel density based flooding scheme has been proposed for more reliable network broadcast in MANET and the metrics namely broadcast overhead (MAC load), power consumption and collision are evaluated. The proposed method, density based flooding guarantees to deliver the packets from a source node to all the nodes of the network with minimum routing load, MAC load, less power consumption of a node and collision. The performance evaluation of the proposed algorithm is compared with a single source broadcasting techniques such as simple flooding algorithm and probability based flooding algorithm using NS2 simulation. The proposed method, density based flooding for probabilistic flooding limit the probability of collisions by limiting the number of rebroadcasts in the network and prove that the broadcast overhead, power consumption and collision of this method is very minimum compared with simple flooding and probabilistic flooding methods.
Referência(s)